Wing nut



FIG. 1: is a perspective top and front view of a wing nut showing the design applied thereto;

FIG. 2: is a perspective bottom, front and side view thereof;

FIG. 3: is a front elevational view thereof;

FIG. 4: shows a first side elevational view thereof;

FIG. 5: shows a rear elevational view thereof

FIG. 6: shows a second side elevational view thereof;

FIG. 7: shows a top plan view thereof;

FIG. 8: shows a bottom plan view thereof; and,

FIG. 9: shows a perspective top, front and side view of the wing nut in position on a T-Slot bolt illustrated in phantom for environmental purposes, and forming no part of the claimed designed. 

I claim the ornamental design for a wing nut, as shown and described. 